body {
  width: 100%;
  min-width: 320px;
  max-width: 640px;
  margin: 0 auto;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  color: #666;
  line-height: 1.5;
  font-size: 14px;
}
.app {
  height: 45px;
}
.app ul li {
  height: 45px;
  background-color: #333;
  float: left;
  color: #fff;
  line-height: 45px;
  text-align: center;
}
.app ul li:nth-child(1){
  width: 8%;
  font-size: 20px;
  font-weight: 100;
  line-height: 40px;
  vertical-align: middle;
}
.app ul li:nth-child(2){
  width: 10%;
}
.app ul li:nth-child(3){
  width: 57%;
}
.app ul li:nth-child(4){
  width: 25%;
}

/* 搜索 */
.search-wrap{
  position: fixed;
  height: 44px;
  width: 100%;
  overflow: hidden;
  min-width: 320px;
  max-width: 640px;
  z-index: 1;
}
.search-wrap .search-btn{
  position: absolute;
  left: 0;
  top: 0;
  height: 44px;
  width: 40px;
  background-image: url(../imgs/search-btn.png);
  background-repeat: no-repeat;
  background-size: 20px 18px;
  background-position: center;
}
.search-wrap .search-login{
  position: absolute;
  right: 0;
  top: 0;
  height: 44px;
  width: 40px;
  color: #fff;
  text-align: center;
  line-height: 44px;
}
.search-wrap .search-input{
  position: relative;
  height: 30px;
  margin: 0 50px;
  margin-top: 7px;
  border-radius: 20px;
  background-color: #fff;
}

.search-wrap .search-input .logo{
  width: 20px;
  height: 15px;
  background-image: url(../imgs/jd.png);
  background-size: 20px 15px;
  position: absolute;
  margin: 8px 8px 0 15px;
}
.search-wrap .search-input .logo::after{
  content: "";
  border-right: 1px solid #999;
  height: 18px;
  display: block;
  position:absolute;
  right: -10px;
  top: -2px;
  color: #999;
}
.search-wrap .search-input .bigger{
  width: 18px;
  height: 15px;
  position: absolute;
  top: 8px;
  left: 55px;
  background-image: url(../imgs/jd-sprites.png);
  background-repeat: no-repeat;
  background-size: 200px auto;
  background-position: -81px 0;

}
/* 轮播图 */
.slider-warp{
  height: 269px;
  width: 100%;
  position: relative;
  /* overflow: hidden; */
  border: 1px solid transparent;
}
.slider-radius{
  width: 50px;
  position: absolute;
  right: 0;
  left: 0;
  bottom: 50%;
  line-height: 15px;
  font-size: 0;
  margin: auto;
}
.slider-radius i.current-radius{
  position: relative;
  top: 2px;
  left: 0px;
  width: 9px;
  height: 9px;
  background-color: #fff;
  border: 3px solid rgba(0, 0, 0, .1);
}
.slider-radius i{
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border: 1px solid rgba(0,0,0,.05);
  border-radius: 50%;
  background: rgba(255,255,255,.4);
}
.slider-warp .slider-bg{
  position: absolute;
  top: 0;
  left: -25%;
  height: 7.25rem;
  width: 150%;
 
  background-image: -webkit-gradient(linear,left bottom,left top,from(#f1503b),color-stop(50%,#c82519));
  border-bottom-left-radius: 100%;
  border-bottom-right-radius: 100%;
}
.slider-warp .slider{
  height: 100%;
  position: relative;
  width:calc(100% - 1.25rem);
  margin: 0 auto;
  margin-top: 12%;
}
.slider-warp .slider .slider-list{
  position: absolute;
  left: 0;
}
.slider-warp .slider .slider-list .slider-item img{
  width: 100%;
  border-radius: .35rem;
}
